If Jakob knows the marginal cost of the 1st foot of stream bank restored is $21, the marginal cost of the 2nd foot of stream bank restored is $40, and the marginal cost of the 3rd foot of stream bank restored is $17, what is the total variable cost of restoring 3 feet of stream bank? OA. $26 OB. $78 OC. $17 OD. $61

If Jakob knows the marginal cost of the 1st foot of stream bank restored is $21, the marginal cost of the 2nd foot of stream bank restored is $40, and the marginal cost of the 3rd foot of stream bank restored is $17, what is the total variable cost of restoring 3 feet of stream bank? OA. $26 OB. $78 OC. $17 OD. $61

Principles of Economics 2e

2nd Edition

ISBN:9781947172364

Author:Steven A. Greenlaw; David Shapiro

Publisher:Steven A. Greenlaw; David Shapiro

Chapter7: Production, Costs, And Industry Structure

Section: Chapter Questions

Problem 7SCQ: Suppose the cost of machines increases to 55, while the cost of labor stays at 40. How would that...

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